*According to SiS official document, SiS 748 chipset has limitation DDR supports:CPU at FSB 200MHz mode, it will NOT support DDR400CPU at FSB 333MHz mode, it will NOT support DDR200CPU at FSB 400MHz mode, it will NOT support DDR200/DDR266

Manual

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

The above user interface picture is a sample for reference. The actual user interface may vary with the updated software version.